Krantz Components

Air transferin the studio

OG

Air transfer element with crosstalk attenuator (OG-S · OG-T · OG-U)

OG Air transfer element with crosstalk attenuator (OG-S · OG-T · OG-U) by Krantz
Image: Krantz Components

A wall transfer unit with built-in silencer. Return air flows to the corridor or plenum without conversations carrying through.

Technical data ↓Video call with Pia

How the OG works.

A wall transfer unit with built-in silencer. Return air flows to the corridor or plenum without conversations carrying through.

Applications: office and administration buildings; return air without return ducts, keeping speech privacy (p. 2).

Krantz, Air transfer element OG with built-in crosstalk attenuator (OG-S / OG-T; OG-U), DS 4171e 11.2022.

Technical data OG

Volume flow
OG-S up to 190 m³/(h·m)p. 6

Krantz, Air transfer element OG with built-in crosstalk attenuator (OG-S / OG-T; OG-U), DS 4171e 11.2022.

Page numbers are PDF pages of the data sheet.

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Air

Specifications of the OG with the source of each value · Air
PropertyValue · Source
Volume flow OG-S up to 190 m³/(h·m), OG-T up to 170 m³/(h·m) at 15 Pa; OG-U: 90 m³/h at 6 Pa, 126 m³/h at 10 Pa p. 6
Example sound and pressure drop Dn,e,w 38–47 dB and Rw 16–19 dB (relative to the wall opening) depending on type and face plate; OG-U Dn,e,w 43 / 48 dB; typically max. 10–15 Pa p. 4

Design

Specifications of the OG with the source of each value · Design
PropertyValue · Source
Sizes OG-S (wall 100 mm) and OG-T (wall 125 mm): length 500/1,000 mm, height 400 mm; OG-U: 800 or 1,000 mm long, 800 mm wide, 45 mm high p. 6
Materials and finish housing galvanised steel; attenuator Basotect, fire class B1 (DIN 4102 – 1); face plate RAL 9010 with round perforation Rv 5/7 or slots 51×5 mm p. 6
Options and versions OG-S (S-shape), OG-T (T-shape), OG-U (below ceiling, 45 mm); face plate A1/A2 or none p. 6

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